US
AS33660
CMCS
Comcast Cable Communications, LLC
US ARIN Cable/DSL/ISP RatioNot Disclosed Peering PolicyRestrictive ScopeRegional
9
IPv4 Prefixes
50
IPv6 Prefixes
···
Peers
···
Upstream
···
Downstream
0
IX Points
1
Facilities
94.9%
RPKI Valid Rate
Network Topology Upstream/Downstream Data Source: RIPE Stat
Loading topology data...
Announced IP Prefixes 59
RPKI Valid 56 RPKI Invalid 0 Unsigned / Unknown 3 Sampled 59 / 59

IPv4 Prefixes 9

50.222.157.0/2450.217.32.0/2450.222.146.0/2450.207.68.0/2450.204.89.0/2450.224.25.0/24129.134.166.0/24129.134.167.0/24192.16.177.0/24

IPv6 Prefixes 50

2001:559:8782::/482001:559:c3f5::/482001:559:29::/482001:559:8443::/482001:559:c154::/482001:559:c54c::/482001:559:8485::/482001:559:c0ef::/482001:559:8460::/482001:559:3b2::/482001:559:8329::/482001:559:41a::/482001:559:831b::/482a03:2887:ff47::/482001:559:fb::/482001:559:82d4::/482001:559:fa::/482001:559:c173::/482001:559:2de::/482001:559:31a::/482001:559:3b3::/482001:559:3c4::/482001:559:819d::/482001:559:83a6::/482001:559:c2e6::/482001:559:4a7::/482001:559:2e4::/482001:559:8137::/482001:559:85e0::/482001:559:c348::/48
Facilities 1 Click a point on the map to locate a facility
NameCityCountry
EdgeConneX Salt Lake City (EDCSLC01)Salt Lake CityUS
Colocated Networks 17 Shared Data Center
ASNNameType Shared Facility
AS54329 SumoFiber (54329) Cable/DSL/ISP 1/1
AS53407 UTOPIA Fiber Cable/DSL/ISP 1/1
AS40152 Utah.io Network Services 1/1
AS30247 Voonami, Inc. Cable/DSL/ISP 1/1
AS26042 FIBERSTATE Content 1/1
AS19944 GraniteIX Services Network Services 1/1
AS16509 Amazon.com Enterprise 1/1
AS15169 Google LLC Content 1/1
AS14593 SpaceX Starlink Cable/DSL/ISP 1/1
AS13415 FirstDigital AS13415 1/1
AS13335 Cloudflare Content 1/1
AS8075 Microsoft Content 1/1
AS6939 Hurricane Electric NSP 1/1
AS6315 XMission Cable/DSL/ISP 1/1
AS4226 SUMOFIBER Cable/DSL/ISP 1/1
AS1299 Arelion (Twelve99) NSP 1/1
AS174 Cogent Communications, Inc. NSP 1/1
Registration Info
AS Name
CMCS
Organization
Comcast Cable Communications, LLC
Country/Region
US
Registration Date
2005-02-16
Update Date
2021-01-25
Raw Whois Data 
%  No entries found for the selected source(s).




--- ARIN Whois ---


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       33660
ASName:         CMCS
ASHandle:       AS33660
RegDate:        2005-02-16
Updated:        2021-01-25
Ref:            https://rdap.arin.net/registry/autnum/33660



OrgName:        Comcast Cable Communications, LLC
OrgId:          CCCS
Address:        1800 Bishops Gate Blvd
City:           Mt Laurel
StateProv:      NJ
PostalCode:     08054
Country:        US
RegDate:        2001-09-18
Updated:        2020-11-18
Ref:            https://rdap.arin.net/registry/entity/CCCS


OrgTechHandle: IC161-ARIN
OrgTechName:   Comcast Cable Communications Inc
OrgTechPhone:  +1-856-792-2300 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/IC161-ARIN

OrgRoutingHandle: ROUTI25-ARIN
OrgRoutingName:   Routing
OrgRoutingPhone:  +1-856-792-2300 
OrgRoutingEmail:  [email protected]
OrgRoutingRef:    https://rdap.arin.net/registry/entity/ROUTI25-ARIN

OrgAbuseHandle: NAPO-ARIN
OrgAbuseName:   Network Abuse and Policy Observance
OrgAbusePhone:  +1-888-565-4329 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NAPO-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Related Tools

Whois
View registration & expiry info